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Lost and found

Have you lost or forgotten an object during your visit to the Museum or the Park?

Go to the Museum reception desk to check whether it has been found in the meantime.


Or have you found an object that does not belong to you?

Please bring it back to the Museum reception desk, which collects lost and found objects.


Reception desk : 064 27 37 41 – accueil(at)

The Museum needs you ! Please help us with the creation of our new website by answering this form !



The Royal Museum of Mariemont has the great pleasure to announce it’s reopening on Tuesday the 1st of December. Our doors will be open every day, except on Mondays, from 10am to 5pm.

Closed on 1/1 and 25/12.

The Park is open. 


The restaurant "The Terace of Mariemont" opens again on Saturday 8 may, upon reservation.


The Library is open upon reservation.


The "Atelier du Livre" is closed.

Thank you for your understanding.